<template>
	<view class="cart" v-if="cart.length !==0">
		<!-- 收获地址组件 -->
		<my-address></my-address>
		<view class="cart-title">
		  <uni-icons type="shop" size="18"></uni-icons>
			<text class="cart-title-text">购物车</text>
	  </view>
		<uni-swipe-action>
		  <block v-for="(goods, i) in cart" :key="i">
		    <!-- uni-swipe-action-item 可以为其子节点提供滑动操作的效果。需要通过 options 属性来指定操作按钮的配置信息 -->
		    <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
		      <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
		    </uni-swipe-action-item>
		  </block>
		</uni-swipe-action>
		
		<!-- 使用自定义结算组件 -->
		<my-settle></my-settle>
	</view>
	<!-- 空白购物车页面 -->
	<view class="empty" v-else>
		<image src="/static/cart_empty@2x.png" class="empty-img"></image>
		<text class="tip-txt">乜柒都冇~</text>
	</view>
</template>

<script>
	import badgeMix from '../../mixins/tabbar-badge.js'
	import { mapState, mapMutations } from 'vuex'
	export default {
		mixins:[badgeMix],
		data() {
			return {
				options: [{
				      text: '删除', // 显示的文本内容
				      style: {
				        backgroundColor: '#C00000' // 按钮的背景颜色
				      }
				    }]
			}
		},
		computed:{
			...mapState('m_cart',['cart'])
		},
		methods:{
			 ...mapMutations('m_cart', ['updateGoodsState','updateGoodsCount','removeGoodsById']),
			    // 商品的勾选状态发生了变化
			    radioChangeHandler(e) {
			      this.updateGoodsState(e)
			    },
					numberChangeHandler(e){
						this.updateGoodsCount(e)
					},
					swipeActionClickHandler(goods) {
					  console.log(goods)
					},
					// 点击了滑动操作按钮
					  swipeActionClickHandler(goods) {
					    this.removeGoodsById(goods.goods_id)
					  }
					
		}
	}
</script>

<style lang="scss">
		.cart{
			padding-bottom: 50px;
		}
	.cart-title{
		height: 40px;
		display: flex;
		align-items: center;
		padding-left: 5px;
		border-bottom: 1px solid #efefef;
		.cart-title-text{
			margin-left: 10px;
			font-size: 14px;
		}
	}
	.empty{
		display: flex;
		flex-direction: column;
		align-items: center;
		padding-top: 150px;
		.empty-img{
			width: 90px;
			height: 90px;
		}
		.tip-txt{
			font-size: 12px;
			color: gray;
			margin-top: 15px;
		}
	}
</style>
